# A Security vs Sendmarc DMARC Compliance Platform: side-by-side comparison (2026)

[A Security](https://cybersectools.com/tools/a-security) is a commercial [red-team & adversary emulation](https://cybersectools.com/categories/offensive-security) solution by [A Security](https://cybersectools.com/companies/asecurity). [Sendmarc DMARC Compliance Platform](https://cybersectools.com/tools/sendmarc-dmarc-compliance-platform) is a commercial [email security platforms](https://cybersectools.com/categories/email-security-platforms) solution by [Sendmarc](https://cybersectools.com/companies/sendmarc). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | A Security | Sendmarc DMARC Compliance Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Red-Team & Adversary Emulation | Email Security Platforms |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | A Security | Sendmarc |
| Headquarters | – | – |

### Use cases and capabilities

| | A Security | Sendmarc DMARC Compliance Platform |
|---|---|---|
| Attack Paths | Yes | – |
| Continuous Testing | Yes | – |
| Red Team | Yes | – |
| Vulnerability Exploitation | Yes | – |
| AI Pentesting | Yes | – |
| MITRE ATT&CK | Yes | – |
| Exploit Development | Yes | – |
| Security Validation | Yes | – |
| Penetration Testing Framework | Yes | – |
| Lateral Movement | Yes | – |
| DMARC | – | Yes |
| SPF | – | Yes |
| DKIM | – | Yes |

### Core features

**A Security**

9 features listed. Sign in on the page to see them.

**Sendmarc DMARC Compliance Platform**

10 features listed. Sign in on the page to see them.

### Integrations

**A Security**

1 integration listed. Sign in on the page to see them.

**Sendmarc DMARC Compliance Platform**

5 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Sendmarc DMARC Compliance Platform](https://cybersectools.com/tools/sendmarc-dmarc-compliance-platform) fits if you are a small business.

## A Security vs Sendmarc DMARC Compliance Platform FAQ

Common questions when comparing A Security vs Sendmarc DMARC Compliance Platform for red-team & adversary emulation.

### What is the difference between A Security and Sendmarc DMARC Compliance Platform?

**A Security**: Autonomous offensive security platform that finds, validates, and remediates attack paths. Built by A Security.

**Sendmarc DMARC Compliance Platform**: Platform automating DMARC compliance via record mgmt, reporting & policy enforcement. Built by Sendmarc.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes A Security and Sendmarc DMARC Compliance Platform?

**A Security** is made by A Security. **Sendmarc DMARC Compliance Platform** is made by Sendmarc. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is A Security a good alternative to Sendmarc DMARC Compliance Platform?

In part. A Security and Sendmarc DMARC Compliance Platform are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [A Security vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/a-security-vs-crimson7-offensive-engineering)
- [A Security vs Red Specter Cheatsheet](https://cybersectools.com/compare/a-security-vs-red-specter-cheatsheet)
- [A Security vs KinoSec Hades](https://cybersectools.com/compare/a-security-vs-kinosec-hades)
- [Sendmarc DMARC Compliance Platform vs Crimson7 Offensive Engineering](https://cybersectools.com/compare/crimson7-offensive-engineering-vs-sendmarc-dmarc-compliance-platform)
- [Sendmarc DMARC Compliance Platform vs Red Specter Cheatsheet](https://cybersectools.com/compare/red-specter-cheatsheet-vs-sendmarc-dmarc-compliance-platform)
- [Sendmarc DMARC Compliance Platform vs KinoSec Hades](https://cybersectools.com/compare/kinosec-hades-vs-sendmarc-dmarc-compliance-platform)

## Alternatives to each

- [See all A Security alternatives](https://cybersectools.com/alternatives/a-security)
- [See all Sendmarc DMARC Compliance Platform alternatives](https://cybersectools.com/alternatives/sendmarc-dmarc-compliance-platform)

---

Source: https://cybersectools.com/compare/a-security-vs-sendmarc-dmarc-compliance-platform

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/a-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on A Security and Sendmarc DMARC Compliance Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md
